Publications and Resources

Featured Publications

Research Report U1907 - September 18, 2019

Energy efficiency can slash US energy use and greenhouse gas emissions by about 50% by 2050, getting us halfway to our national climate goals. We can achieve almost all these savings, worth more than $700 billion in 2050, by dramatically scaling up government policies and programs. This report...

Research Report U1904 - July 24, 2019

The City Clean Energy Scorecard measures the progress of city policies and programs that save energy, promote renewable energy, and reduce greenhouse gas emissions. It also focuses on efforts to embed equity in policymaking. We ranked 75 large US cities for their energy efficiency and...

Research Report U1902 - February 20, 2019

The lifetime of energy efficiency programs and measures ranges from a few months to several decades. Nevertheless, most energy efficiency policies are designed around the first year of savings. This report describes recent policy changes in some states and Canadian provinces to measure the value...

Research Report - April 16, 2018

State air regulators can rely on energy efficiency to help meet specific pollutant reductions required under the EPA’s National Ambient Air Quality Standards (NAAQS). However many states are not incorporating this compliance strategy into their state implementation plans (SIPs). This report...

Research Report - April 10, 2018

Wholesale energy prices have historically been volatile, and this can impose significant costs on electricity buyers and sellers. This report examines these costs in electricity markets and demonstrates the value of energy efficiency as a low-risk supply option. It estimates the value at risk in...

Regulatory Filing - April 09, 2018

Comments delivered to the Virginia Department of Environmental Quality RE: Rev. C17, 9VAC5 Chapter 140. 

Research Report - March 26, 2018

ACEEE’s Health and Energy Linked (HELP) Awards recognize programs that simultaneously improve human health and save energy. This report highlights the six exemplary programs chosen by a panel of expert advisors to receive the first awards. Case studies describe funding, communities served, and...

Research Report - February 28, 2018

Many state regulatory commissions are engaged in proceedings to modernize the electric grid. These proceedings include a heavy focus on updating system planning processes to reflect growth in distributed generation and other technological advances. Our report examines current distribution system...

Regulatory Filing - February 27, 2018

The comments submission references the docket EPA-HQ-OAR-2017-0545, and urges EPA to consider energy efficiency in state guidelines for greenhouse gas emissions from existing electric utility generating units. Attached are seven ACEEE documents demonstrating the value of energy efficiency in the...

Research Report - February 21, 2018

Pollution from power plants harms public health, contributing to heart attacks, respiratory conditions, asthma attacks, and premature death. Energy efficiency can benefit health by reducing power plant pollution. This report estimates the health and environmental benefits that would come from a...

Research Report - February 13, 2018

Electric vehicles (EVs) have the potential to reduce US transportation-sector energy use and associated emissions, as well as to support the transition to a more sustainable transportation system. Large-scale EV adoption will also create opportunities and challenges for the electric power sector...

Fact Sheet - February 12, 2018

Updated March 2019. Federal energy efficiency programs have played a key role in reducing energy use and saving consumers hundreds of billions of dollars a year in energy bills. But, like many other federal efforts, these programs have come under budgetary attack. This series of fact sheets...

Testimony - February 06, 2018

Testimony delivered by Dr. Martin Kushler to the Kansas Senate Utilities Committee entitled "Information to Support Effective Energy Efficiency Policy in Kansas."

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